Get to know the functions of your heart, blood vessels, and blood itself and how they work together to maintain your health.

Aortic stenosis is a narrowing of the aortic valve that affects how blood flows through the heart and body. While not often linked to heart valve narrowing, high and irregular blood pressure can ...

Using magnetic cameras, researchers at Linköping University, Sweden, have examined blood flow in an artificial heart in real ...

Heart sounds are the noises made as blood moves through the heart with each heartbeat. When the heart valves close, they make a distinct lubb-dupp sound. Healthcare providers listen to the heart's ...

The nuclear stress test can show how blood flows through your heart muscles. This reveals how well the heart pumps blood and areas of your heart muscles that do not get enough blood. Nuclear stress is ...

An aortic stenosis murmur is an unusual sound the heart makes due to a narrowing of the aortic heart valve. The narrowed heart valve restricts blood flow from the heart, which can create a murmur.

Confused about the differences between a heart attack and heart failure? Learn the distinct symptoms of each and when to seek ...

Researchers have developed a method for cheaply producing heart valves in the span of minutes that are functional immediately after being implanted into sheep. The scientists call their method ...

New technology can detect rapid pressure changes inside your heart. The state-of-the-art technology uses magnetic resonance imaging (MRI) to create detailed images of the heart. Using the new ...